Ductless mini-split systems are a type of HVAC system that uses a refrigerant line to connect several units to a single outdoor condensing unit. Instead of using ductwork, the system circulates refrigerant through a line and to the air handler. The air handler cools the air with the refrigerant and distributes it throughout a room to provide quality air conditioning.

Traditional HVAC systems rely on ductwork to circulate air in your home. Unfortunately, ducts are vulnerable to holes and tears, which can run up your utility costs. Ductless mini-split systems don’t use ducts, and that keeps them running efficiently. You’ll get cooler air at a lesser cost than a regular duct model. But like any other system, ductless mini-splits have their ups and downs. Weighing the pros and cons can help decide if it’s for you.

Pros of Ductless Mini-Split Systems

Are you tired of high energy costs and insufficient temperatures in your home? If you want energy efficiency at a reduced cost, you may want to think about a ductless mini-split system. They have several perks, including easy installation, good climate control, and energy efficiency. This section explores the benefits of having a ductless mini-split system.

Easy Installation

Traditional HVAC systems can take days to install. It can take an average of one to four days just to install the ductwork, depending on the layout of your house. A ductless mini-split system is different. You have the indoor unit, the conduit, and the outdoor unit. All it takes is a single hole for the conduit to go through the wall to connect both units. There’s no messy ductwork installation, which eliminates the hassle of cleanup. The only stipulation is that your technician may need to drill a hole in the wall for your conduit. This allows the refrigerant to pass from the outdoor unit to the indoor unit for optimal cooling in less time.

Ductless mini-split systems are perfect for older homes without ductwork or small apartments in the city. It’s an excellent way to reduce the time and hassle of a new HVAC installation. Plus, homeowners can enjoy optimal cooling and heating that’s reliable and affordable.

Energy Efficient

Energy efficiency is another perk of ductless mini-split systems. This means you’ll have cool air promptly. Special inverter technology allows the system to maintain a steady climate. It automatically adjusts your compressor and power usage while the system is running, which keeps the cycle going constantly. Your system will have a longer lifespan, fewer maintenance issues, and use less energy as a result.

Cleaner Air

Unlike traditional systems, ductless systems provide clean, healthy air for your home. Traditional HVAC systems with ductwork lack this advantage for a reason. Dirt and debris get caught in the ducts and then get distributed into the home. The conduit in ductless mini-split systems acts as a direct line between the outdoor and indoor units to deliver quality air without dust, allergens, or toxins. You’ll have better indoor air quality thanks to a multi-filtration system, a special component that keeps bacteria out while circulating clean air.

Excellent Zoning Features

Imagine the kitchen or sunroom being warmer than the rest of your home. If you want to cool the temperature in those rooms, you can. Ductless mini-split systems have a special zoning feature that allows you to do that. You can adjust the temperature in another room without having to change it for the entire house. This reduces wasteful use while maintaining a steady climate inside your home.

A zoned system boosts energy efficiency and reduces energy waste. Each room has a mini-split blower that allows you to alter the temperature in that particular room. You can set a cooler temperature in your bedroom than in the living room or kitchen, for example.


Peace and cool air are a perfect match, and that’s another perk of a ductless mini-split system. Imagine enjoying the silence along with the cool air, especially on hot summer nights. That beats the rattle and hum that’s characteristic of other HVAC models. It’s perfect for anyone who loves cool air without the noise.

Cons of Ductless Mini-Split Systems

Ductless mini-split systems are energy efficient and easy to install. They seem to be the better alternative to traditional HVAC models that require ductwork to function. However, they do have a few drawbacks. The units themselves are expensive, and installation costs are high. And if your home is big, you’ll need a unit for every room to achieve maximum results. Understanding the drawbacks of this HVAC system gives you more information to make an informed decision.


Cost is a factor in determining if a ductless mini-split system is right for you. Most other systems run from $4,000 to $8,000, but a ductless mini-split system usually runs from $8,000 to $12,000. But the fact that it’s more energy efficient may make it a worthwhile investment.

Higher installation costs are another downside to a ductless mini-split system. Your home’s size and layout may require more units and components to be installed. In this case, a more traditional HVAC model with ductwork would be best.

Space Requirements

Before having your unit installed, consider space. Space measurements will give you an accurate picture of where your unit will fit. Since these units are big, you’ll need adequate space to fit them properly. Your technician may need to drill holes in your walls or ceilings to connect the indoor and outdoor units. A backup room is suggested for future maintenance.

Outdoor units could face challenges of their own. Limited space, such as large trees or driveways, may make electrical or refrigerant hookups more difficult. These are some things to consider before buying a ductless mini-split system.

Inadequate Performance in Extreme Temperatures

Areas with extreme temperatures require a strong HVAC system that’s sturdy enough to keep your home cool. Due to their size and structure, ductless mini-split systems may not make the cut. You may need to add another device, such as another AC unit or a floor heater, to keep your indoor temperature steady during extreme weather. Unfortunately, this defeats the purpose of investing in a ductless system to save money. You may wish to opt for another HVAC model if you live in a region with very cold or very hot weather.

General Appearance

These units may be compact, but they can be an eyesore. It’s hard to walk through your home without noticing a ductless mini-split unit in every room. They can make your home seem more cluttered and less roomy. If you’re concerned about appearances and space, you may want to consider if a ductless mini-split system is a good choice for you.

Call the Pros

Choosing a new HVAC system requires time and thought. Getting one installed requires the knowledge and expertise of a professional HVAC technician. In the Norman area, you can count on the experience of Norman Air for your home needs. We offer a variety of services, from electrical to plumbing and heating and cooling. We offer AC and heater repair, plumbing repair and maintenance, electrical panel upgrades, and more. Visit Norman Air today to learn more.

company icon